861331-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861331-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,3,3 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 861331-93:
(8*8)+(7*6)+(6*1)+(5*3)+(4*3)+(3*1)+(2*9)+(1*3)=163
163 % 10 = 3
So 861331-93-3 is a valid CAS Registry Number.